Amanda Rose Collection Sterling Silver Created Pink Sapphire and Diamond Mom in Heart Pendant-Necklace 5mm Created Pink Sapphire Heart Sterling Silver Setting and 18in. Chain Pendant measures just over 3/4 inches high. All of our diamond and gemstones suppliers state that to the best of their knowledge all stones supplied are conflict free. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free. 5mm Created Pink Sapphire Heart Sterling Silver Setting and 18in. Chain Pendant measures just over 3/4 inches high. All of our diamond and gemstones suppliers state that to the best of their knowledge all stones supplied are conflict free.